Glue that glows in the dark for electrifying arts, crafts, and slime. Brilliant neon colours truly come to life when the lights go out. Washable, safe, and nontoxic, formulated for use by children. Great for making glue Slime that shines in the dark For best glow, expose to light for at least two minutes, then watch it glow in the dark When the glow fades. Recharge in light to reactivate glow intensity. Available in 5 colours: Yellow, Purple, Blue, Pink & Orange.